Description |
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| Manufacturer: Piper corporation |
| Designation: PA31-325 |
| Nickname: Navajo |
| Type: executive light transport |
Dimensions |
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| Length: 32' 7" |
| Height: 13' 0" |
| Wingspan: 40' 8" |
| Wing area: n/a |
| Wing loading(at 5200lbs): n/a |
| Propeller diameter: n/a |
| Cargo door width: n/a |
| Cargo door height: n/a |
| Cargo area: n/a |
| Number of Passengers: 7 |
Weight Limits |
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| Empty Weight: 3 991 lbs |
| Max Takeoff Weight: 6 500 lbs |
| Max Landing Weight: 6 500 lbs |
| Useful load: 2 509 lbs |
Propulsion |
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| No. of Engines: 2 |
| Powerplant: Lycoming IO-540-M |
| Thrust (each): 325 hp |
Performance |
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| Max Cruising Speed: 185 kts |
| Service Ceiling: 16 600 ft |
Top speeds |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Top Speed | 191kts | 190kts | 188kts |
Cruising speeds, 75% power at 7500' (ktas) |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Cruise Speed | 182kts | 181kts | 179kts |
Cruising speeds, 65% power at 10,00' (ktas) |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Cruise Speed | 178kts | 177kts | 175kts |
Cruising speeds, 75% power at sea level (ktas) |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Cruise Speed | 171kts | 169kts | 168kts |
Stalling speeds(flaps down) |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Stalling Speed | 55kts | 57kts | 59kts |
Landing roll(short field) |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Distance | 720' | 790' | 860' |
Landing over 50ft barrier(short field) |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Distance | 1480' | 1580' | 1680' |
Accelerate-stop distance |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Distance | 1870' | 2040' | 2220' |
Max range at 75% power at 7500' |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Range | 935nm | 926nm | 917nm |
Max range at 65% power at 10,000' |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Range | 1048nm | 1039nm | 1026nm |
Max range at 45% power at 16,000' |
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| Gross weight(lbs) | 5700 | 6100 | 6500 |
| Range | 1160nm | 1147nm | 1134nm |
Speeds |
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| Best rate of climb speed(Vy) | 110 kias |
| Normal climb speed | 130 kias |
| Gear extansion speed(Vle) | 152 kias |
| Gear retraction speed(Vle) | 120 kias |
| Flaps extansion speed(Vfe, flaps 25) | 162 kias |
| Flaps extansion speed(Vfe, flaps 40) | 152 kias |
| Minimum control speed(Vmca) | 72 kias |
| Maneuvering speed(Va) | 159 kias |
| Approach speed | 100 kias |
| Short field Approach(full flaps) | 88 kias |
Fuel & Oil capacity |
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| Total usable fuel: 144 US g./ 864 lbs |
| Fuel grade: 100/100LL |
| Total Oil capacity: 12 quarts per engine |
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